The hidden water reservoir is shockingly larger than previously thought—holding more than half the volume of Lake Tahoe.

An enormous water reservoir — likely the largest aquifer of its kind in on Earth — sits inside the volcanic rocks of the ...

Axial Seamount off Oregon's coast is the most active volcano in the Pacific Northwest, about 300 miles offshore and just under a mile beneath the ocean waves.

An enormous body of water has been found in volcanic rocks below the peak of the Oregon Cascade Range. The volume is so large ...

The Cascade Range has been built up by volcanic activity over millions of years, making the exposed rocks in the high Cascades much younger than those in the western Cascades. As a result, the ...

Moon rise at sunset over the Three Sisters mountains—part of the Cascade volcanoes—at Scott Lake, ... [+] Oregon. The granite clump was found using microwave-wavelength readings from antennae ...

Benjamin Pauk, a geophysicist at the USGS Cascade Volcano Observatory in Vancouver, explained the logistics of installing the necessary equipment were complicated. USGS had contracted a helicopter ...

Helens gets its lava. Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc, it doesn't sit atop a large magma chamber. Follow TI: On Facebook More from Tech ...

Helens gets its lava from. Though the volcano is part of a cluster of volcanoes known as the North American Cascade Arc, it doesn't sit atop a magma chamber. Follow TI: On Facebook More from ...

Mount Shasta rangers rescued a goose stranded at around 10,000 feet, proving even the wildest climbers deserve a helping hand ...